NAICS 813920: Professional Organizations
This industry comprises establishments primarily engaged in promoting the professional interests of their members and the profession as a whole.  These establishments may conduct research; develop statistics; sponsor quality and certification standards; lobby public officials; or publish newsletters, books, or periodicals for distribution to their members.

Illustrative Examples:

Bar associations
Learned societies
Dentists' associations
Peer review boards
Engineers' associations
Professional standards review boards
Health professionals' associations
Scientists' associations

ExioML sector: Membership organisation services n.e.c. (91)
Region: US | Year: 2022
Sector value added: 104066.038696 M EUR | Employment: 5761.81091661 thousand persons
Sector GHG emissions: 1894800785.9 kg CO2 eq | Energy carrier net total: 182606.488754 TJ | Carbon intensity: 0.018207676679566267

Company: Advocate Health Care Network
Advocate Health Care Network provides health care services. The Company manages a network of hospitals, clinics, and physicians for the provision of emergency care, women's services, cancer care, and pediatric services. Advocate Health Care Network serves patients throughout the United States.